Gephyrosauridae

Gephyrosauridae Temporal range: Late Triassic - Early Jurassic, 201.5–195 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Reconstruction of the skull of Gephyrosaurus
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Reptilia
Order:	Rhynchocephalia
Family:	†Gephyrosauridae Evans, 1980
Type species
†Gephyrosaurus bridensis Evans, 1980
Genera
†Deltadectes Whiteside, Duffin, & Furrer, 2017 †Gephyrosaurus Evans, 1980[1] †Penegephyrosaurus Whiteside & Duffin, 2017[2]

Gephyrosauridae is an extinct family of rhynchocephalians that lived in the Late Triassic and Early Jurassic.^[1] They are generally considered to be rhynchocephalians that lie outside of Sphenodontia, but in some analyses they are recovered as more closely related to squamates than to sphenodontians.^[3]

Distribution

Members of Gephyrosauridae are known from the United Kingdom, and Switzerland.^[1]

References

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Rhynchocephalia

Kingdom: Animalia Phylum: Chordata Class: Reptilia Superorder: Lepidosauria
Sauropsida see Sauropsida Lepidosauromorpha see Lepidosauromorpha Rhynchocephalia see below↓ Rhynchocephalia

†Gephyrosauridae? Gephyrosaurus Penegephyrosaurus Deltadectes
Sphenodontia	†Diphydontosaurus †Godavarisaurus †Micromenodon †Pelecymala †Rebbanasaurus †Sphenocondor Incertae sedis †Paleollanosaurus †Whitakersaurus Acrosphenodontia †Planocephalosaurus †Godavarisaurus? Eusphenodontia †Lanceirosphenodon †Microsphenodon †Opisthiamimus †Polysphenodon †Clevosauridae Brachyrhinodon Clevosaurus Polysphenodon? Neosphenodontia †Colobops? †Homoeosaurus †Lanceirosphenodon? †Pamizinsaurus †Rebbanasaurus? †Sphenocondor? †Theretairus †Zapatadon †Kallimodon †Leptosaurus †Sapheosauridae Piocormus Sapheosaurus Oenosaurus "Eupropalinal sphenodonts" †Lamarquesaurus †Sigmala †Tingitana †Vadasaurus †Pleurosauridae? Palaeopleurosaurus Pleurosaurus Tingitana? Vadasaurus? Sphenodontidae †Ankylosphenodon †Cynosphenodon †Derasmosaurus †Kawasphenodon? †Navajosphenodon †Pamizinsaurus? Sphenodon †Sphenofontis †Sphenovipera? †Theretairus? †Tika †Zapatadon? †Opisthodontia Fraserosphenodon Kawasphenodon? Opisthias Pelecymala? Trullidens Pleurosauridae? Sapheosaurs? Eilenodontinae Eilenodon Kaikaifilusaurus Patagosphenos Priosphenodon Sphenotitan? Toxolophosaurus

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